Magic Nuclearity Giant Clusters of Metal Nanocrystals Formed by Mesoscale Self-Assembly

2001 ◽  
Vol 105 (13) ◽  
pp. 2515-2517 ◽  
Author(s):  
P. John Thomas ◽  
G. U. Kulkarni ◽  
C. N. R. Rao
Keyword(s):  
Self Assembly ◽  
Metal Nanocrystals

Some properties of spherical and rod-shaped semiconductor and metal nanocrystals

2002 ◽  
Vol 74 (9) ◽  
pp. 1675-1692 ◽  
Author(s):  
Christy F. Landes ◽  
Stephan Link ◽  
Mona B. Mohamed ◽  
Babak Nikoobakht ◽  
Mostafa A. El-Sayed
Keyword(s):  
Raman Scattering ◽  
Spherical Particle ◽  
Gold Nanorods ◽  
Self Assembly ◽  
Surrounding Medium ◽  
Cdse Nanocrystals ◽  
Size And Shape ◽  
Metal Nanocrystals ◽  
Enhanced Raman Scattering

In this paper, we summarize our results on the effect of changing size and shape of semiconductor and metallic nanocrystals. The change in size (from 3.5 to 1.1 nm) and shape (from spherical to rod) of CdSe nanocrystals is found to affect both their optical and nonradiative properties. In gold quasi-spherical nanocrystals, results on the dependence of the electron-phonon relaxation of the surrounding medium are presented. For gold nanorods, results and conclusions on the mechanism of their self-assembly are presented. Enhanced Raman scattering on their surfaces is studied and compared with that on spherical particle surfaces.

Self-assembly of metal/semiconductor heterostructures via ligand engineering: unravelling the synergistic dual roles of metal nanocrystals toward plasmonic photoredox catalysis

Nanoscale ◽  
2017 ◽  
Vol 9 (43) ◽  
pp. 16922-16936 ◽  
Author(s):  
Ke-Yi Jiang ◽  
Ya-Li Weng ◽  
Si-Yi Guo ◽  
Yan Yu ◽  
Fang-Xing Xiao
Keyword(s):  
Self Assembly ◽  
Semiconductor Heterostructures ◽  
Photoredox Catalysis ◽  
Dual Roles ◽  
Gold Nanocrystals ◽  
Metal Nanocrystals ◽  
Electron Withdrawal ◽  
Withdrawal Effects

A cooperative synergy arising from the SPR and electron-withdrawal effects of gold nanocrystals was simultaneously and unambiguously unraveled for plasmonic photoredox catalysis.

Self-assembly: an option to nanoporous metal nanocrystals

Nanoscale ◽  
2014 ◽  
Vol 6 (22) ◽  
pp. 13370-13382 ◽  
Author(s):  
Jie Ying ◽  
Xiao-Yu Yang ◽  
Ge Tian ◽  
Christoph Janiak ◽  
Bao-Lian Su
Keyword(s):  
Self Assembly ◽  
Metal Nanocrystals ◽  
Nanoporous Metal

Self-assembly, which is as an excellent option to nanoporous metal nanocrystals with desired structure and rational performance, has been summarized.

Self-assembly of noble metal nanocrystals: Fabrication, optical property, and application

Nano Today ◽  
2012 ◽  
Vol 7 (6) ◽  
pp. 564-585 ◽  
Author(s):  
Jianxiao Gong ◽  
Guodong Li ◽  
Zhiyong Tang
Keyword(s):  
Optical Property ◽  
Noble Metal ◽  
Self Assembly ◽  
Metal Nanocrystals

Mesoscale organization of metal nanocrystals

2002 ◽  
Vol 74 (9) ◽  
pp. 1581-1591 ◽  
Author(s):  
G. U. Kulkarni ◽  
P. John Thomas ◽  
C. N. R. Rao
Keyword(s):  
Self Assembly ◽  
Three Dimensional ◽  
Particle Diameter ◽  
Two Dimensional ◽  
Metal Nanocrystals ◽  
The Stability

Nanocrystals of metals covered by alkanethiols organize themselves in two-dimensional arrays. We discuss such arrays of metal nanocrystals at length, with focus on the dependence of the structure and the stability of the arrays on the particle diameter and the distance between the particles. Three-dimensional superstructures of metal nanocrystals obtained by the use of alkanedithiols are examined. These ordered two- and three-dimensional structures of thiolized metal nanocrystals are good examples of mesoscale self-assembly. The association of metal nanocrystals to give rise to giant clusters with magic nuclearity provides an even more graphic demonstration of mesoscale self-assembly.

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